Introduction
In traditional markets, vintage matters. A bottle of Château Margaux from 1982 commands a vastly different price than the same wine from 1984. A 1963 Ferrari 250 GTO is worth millions; a 1980s Ferrari Mondial is worth a fraction of that. The year of origin is an intrinsic dimension of value.
The same principle applies to digital assets on blockchain — yet it has remained largely underexplored. Year assets are on-chain digital assets classified and valued by their vintage year: the year in which a coin was first created, mined, or transacted on-chain.
This guide provides a complete introduction to the concept, methodology, and implications of year-asset classification.
The Fundamental Insight
Every cryptocurrency has a genesis timestamp. Bitcoin’s first block was mined on January 3, 2009. Dogecoin’s first block appeared on December 6, 2013. These timestamps are not merely historical curiosities — they create boundaries between supply cohorts that possess fundamentally different scarcity characteristics.
Why Year Matters
The year of origin matters for several reasons:
Supply caps are not uniform — Bitcoin’s supply schedule means coins mined in 2009 came from a block reward of 50 BTC, while coins mined in 2025 come from 3.125 BTC. The ratio of year-2009 supply to year-2025 supply is approximately 1:16 — that is, for every 2009 Bitcoin, there are roughly 16 mined in 2025.
Loss rates vary by vintage — Older coins have higher estimated loss rates. Early Bitcoin coins (2009–2011) are estimated to have loss rates of 30–50%, while recent coins have loss rates under 5%. This means the effective circulating supply of year-2009 coins is far smaller than the mined supply.
Behavioral profiles differ — Coins from different years exhibit distinct on-chain behavior. Vintage coins tend to be held longer (HODL behavior), while younger coins circulate more actively.
Timestamp Stratification Methodology
Timestamp stratification is the practice of segmenting a blockchain’s total supply by year of first confirmation. The methodology is straightforward:
- Identify the first transaction for each coin/UTXO
- Group by year of first confirmation
- Quantify supply per vintage year (both mined and effective after estimated losses)
- Analyze scarcity metrics including supply ratio, loss-adjusted supply, and HODL concentration
Bitcoin Layer Example
| Year | Mined Supply (BTC) | Estimated Loss Rate | Adjusted Supply |
|---|---|---|---|
| 2009 | ~1,624,000 | ~45% | ~893,000 |
| 2010 | ~3,276,000 | ~35% | ~2,129,000 |
| 2011 | ~3,096,000 | ~25% | ~2,322,000 |
Applications of Year-Asset Classification
Valuation Frameworks
Year-asset classification enables new valuation approaches:
- Vintage premium pricing — Older vintages command a premium based on scarcity ratio
- Supply stratification analysis — Compare effective supply across years to identify scarcity anomalies
- HODL concentration metrics — Track how long-specific vintages are held over time
Investment Strategy
Investors can use year-asset data to:
- Identify undervalued vintage cohorts
- Assess concentration risk in high-loss vintage layers
- Build time-diversified portfolios across multiple vintage years
Conclusion
Year assets represent a paradigm shift in how we think about digital scarcity. By recognizing that the timestamp of a coin’s creation is a fundamental dimension of its value, we open the door to more sophisticated analysis, valuation, and understanding of on-chain assets. EraDoge.com is dedicated to documenting and analyzing this emerging framework.